7. Olivia purchases gifts for her mom and

Mathematics

1 answer:

slega [8]3 years ago

3 0

Answer:

$23.40

Step-by-step explanation:

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Snowcat [4.5K]

Hey there !

your answer

$8 \times (12 + 2) - {9}^{2} \\ \\ 8 \times (14) - 9 \times 9 \\ \\ 8 \times 14 - 81 \\ \\ 112 - 81 \\ \\ 31$

$(26 - 2) \div 3 + {6}^{2} \\ \\( 24) \div 3 + 6 \times 6 \\ \\ \frac{24}{3} + 36 \\ \\ 8 + 36 \\ \\ 44$

$(4 \times 4 + {9}^{2} ) - 7 \\ \\ (16 + 9 \times 9) - 7 \\ \\ 16 + 81 - 7 \\ \\ 90$

i hope it is helpful

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3 years ago

Please help I’m really lost. This is my final hw.

sleet_krkn [62]

Answer:

A).

${ \tt{first \: rotation = 360 \degree}} \\ { \tt{second \: rotation = 360 \degree}} \\ { \tt{third \: rotation = 90 \degree + (90 - 60) \degree}} \\ { \tt{third \: rotation = 120 \degree}} \\ \\ { \bf{angle}} = { \tt{ {1}^{st} \: rotation + {2}^{nd} \: rotation + {3}^{rd} \: rotation}} \\ = 360 \degree + 360\degree + 120\degree \\ = { \tt{840\degree}}$

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3 years ago

Which are correct representations of the inequality -3(3x-5)<5(2-x)

lions [1.4K]

Answer: x > 5/-4

Step-by-step explanation:

4 0

3 years ago

Need help on this as soon as possible

Andrew [12]

Hypotenuse of the right triangle: h=sqrt(4^2+6^2)
h=sqrt(16+36)
h=sqrt(52)
h=sqrt(4*13)
h=sqrt(4) sqrt(13)
h=2 sqrt(13)

Total Area: T.A.=2*(4*6/2)+[4+6+2 sqrt(13)] (8)
T.A.=2*(12)+[10+2 sqrt(13)](8)
T.A.=24+(10)(8)+[2 sqrt(13)](8)
T.A.=24+80+16 sqrt(13)
T.A.=104+16 sqrt(13)

Answer:
( 104+16 sqrt(13) )

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3 years ago

So who said i was not good at math???? me i did lol

marysya [2.9K]

Answer:

I got 10 grade on my 7th iready test

Step-by-step explanation:

Just try your best ;-;

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3 years ago

Read 2 more answers